Home / 5,635.04-7,776.34-3,151.04

Finding the Fourth Proportional to 5,635.04, 7,776.34 and 3,151.04

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Solution

The fourth proportional to 5,635.04, 7,776.34 and 3,151.04 is: 4,348.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,635.04 : 7,776.34 = 3,151.04 : x
  2. Step 2: Convert to fraction form
    5,635.04/7,776.34 = 3,151.04/x
  3. Step 3: Cross multiply
    5,635.04x = 7,776.34 × 3,151.04
  4. Step 4: Simplify right side
    5,635.04x = 24,503,569.96
  5. Step 5: Solve for x
    x = 24,503,569.96/5,635.04
  6. Step 6: Final answer
    x = 4,348.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.